/*
 * TMap Designer - A Thematic Map design software
 * Copyright (C) 2006 World Health Organization
 * http://www.who.int
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package who.tmap.toolkit.dao;

import who.tmap.common.TMapException;
import who.tmap.common.TMapFactory;
import who.tmap.toolkit.shape.MapShapes;

/**
 * @author stl
 *
 * To change the template for this generated type comment go to
 * Window&gt;Preferences&gt;Java&gt;Code Generation&gt;Code and Comments
 */
public class MapShapeDAOFactory implements TMapFactory, MapShapes {

	private static MapShapeDAOFactory instance =null;
	
	protected MapShapeDAOFactory() {
	}
	
	public static synchronized MapShapeDAOFactory getInstance() {
		if ( instance == null ) {
			instance =new MapShapeDAOFactory();
		}
		return instance;
	}
	
	public MapShapeDAO getDAO( int mapShapeType ) throws TMapException {
	    MapShapeDAO dao =null;
		
		switch( mapShapeType ) {
			case LINE:
				dao =new LineShapeDAO();
				break;
				
			case POLYGON:
				dao =new PolygonShapeDAO();
				break;
				
			case TEXT:
				dao =new TextShapeDAO();
				break;
				
			case IMAGE:
			    dao =new ImageShapeDAO();
			    break;
			    
			case RECTANGLE:
			case ELLIPSE:
			case CROSS:
			case TRIANGLE:
				dao =new GraphicAnnotationShapeDAO();
				break;
				
			case LABELS_LIST:
				dao =new LabelsListDAO();
				break;
				
			case BACKGROUND_IMAGE:
				dao =new BackgroundImageShapeDAO();
				break;
				
			default:
				throw new TMapException( "Invalid map shape type: " + mapShapeType );
		}
		
		return dao;

	}

}
